Since you need to keep daily restore points, then changing job schedule for the primary job is not need. You can either setup an additional job or keep using backup copy job for that.
stfconsulting wrote:We need to retain 31 days of individual restore daily points and 6 months of monthly restore points.
Does it need to be full backups every month? What king of issues do you have with backup copy job and GFS retention policy? What are your current settings for this job?